Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
08-05-2024 10:31
Static task
static1
Behavioral task
behavioral1
Sample
Invoice & Packing List.js
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
Invoice & Packing List.js
Resource
win10v2004-20240419-en
General
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Target
Invoice & Packing List.js
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Size
352KB
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MD5
e38d8e75f11cf191e173aa3e2528b57a
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SHA1
0e7e3b6ca4118660adb1ad6cfa238613458c5245
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SHA256
dc6aeb1f8d342bc7863a71083222cfa544b340c181e2be87dd39f5d25aac12e4
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SHA512
a8d2e021f69c22918972b505b742c06ed0aed4003adef538853b68d55647a17e089828b8bc85c2e57feb7f92962dd5aa671f9a58635dbc49b7baf753ca96c176
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SSDEEP
6144:J0pVKGI89xY7aXi0rp+/UHXoh4aKfo3DuWmeZRgUCJeyIFhzKcvz30DBaDvzMvh:CVKa9xxs4/YzrZvz3hjzs
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ykulkemnl.txt java.exe -
Loads dropped DLL 2 IoCs
pid Process 2496 java.exe 2496 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 2804 icacls.exe -
Accesses Microsoft Outlook profiles 1 TTPs 7 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook java.exe Key opened \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook java.exe Key opened \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook java.exe Key opened \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook java.exe Key opened \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook java.exe Key opened \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Software\Microsoft\Office\14.0\Outlook\Profiles\Outlook java.exe Key opened \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ykulkemnl = "\"C:\\Users\\Admin\\AppData\\Roaming\\ykulkemnl.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ykulkemnl = "\"C:\\Users\\Admin\\AppData\\Roaming\\ykulkemnl.txt\"" java.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 39 ip-api.com -
Command and Scripting Interpreter: JavaScript 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4220 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3908 powershell.exe 3908 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1940 WMIC.exe Token: SeSecurityPrivilege 1940 WMIC.exe Token: SeTakeOwnershipPrivilege 1940 WMIC.exe Token: SeLoadDriverPrivilege 1940 WMIC.exe Token: SeSystemProfilePrivilege 1940 WMIC.exe Token: SeSystemtimePrivilege 1940 WMIC.exe Token: SeProfSingleProcessPrivilege 1940 WMIC.exe Token: SeIncBasePriorityPrivilege 1940 WMIC.exe Token: SeCreatePagefilePrivilege 1940 WMIC.exe Token: SeBackupPrivilege 1940 WMIC.exe Token: SeRestorePrivilege 1940 WMIC.exe Token: SeShutdownPrivilege 1940 WMIC.exe Token: SeDebugPrivilege 1940 WMIC.exe Token: SeSystemEnvironmentPrivilege 1940 WMIC.exe Token: SeRemoteShutdownPrivilege 1940 WMIC.exe Token: SeUndockPrivilege 1940 WMIC.exe Token: SeManageVolumePrivilege 1940 WMIC.exe Token: 33 1940 WMIC.exe Token: 34 1940 WMIC.exe Token: 35 1940 WMIC.exe Token: 36 1940 WMIC.exe Token: SeIncreaseQuotaPrivilege 1940 WMIC.exe Token: SeSecurityPrivilege 1940 WMIC.exe Token: SeTakeOwnershipPrivilege 1940 WMIC.exe Token: SeLoadDriverPrivilege 1940 WMIC.exe Token: SeSystemProfilePrivilege 1940 WMIC.exe Token: SeSystemtimePrivilege 1940 WMIC.exe Token: SeProfSingleProcessPrivilege 1940 WMIC.exe Token: SeIncBasePriorityPrivilege 1940 WMIC.exe Token: SeCreatePagefilePrivilege 1940 WMIC.exe Token: SeBackupPrivilege 1940 WMIC.exe Token: SeRestorePrivilege 1940 WMIC.exe Token: SeShutdownPrivilege 1940 WMIC.exe Token: SeDebugPrivilege 1940 WMIC.exe Token: SeSystemEnvironmentPrivilege 1940 WMIC.exe Token: SeRemoteShutdownPrivilege 1940 WMIC.exe Token: SeUndockPrivilege 1940 WMIC.exe Token: SeManageVolumePrivilege 1940 WMIC.exe Token: 33 1940 WMIC.exe Token: 34 1940 WMIC.exe Token: 35 1940 WMIC.exe Token: 36 1940 WMIC.exe Token: SeIncreaseQuotaPrivilege 4772 WMIC.exe Token: SeSecurityPrivilege 4772 WMIC.exe Token: SeTakeOwnershipPrivilege 4772 WMIC.exe Token: SeLoadDriverPrivilege 4772 WMIC.exe Token: SeSystemProfilePrivilege 4772 WMIC.exe Token: SeSystemtimePrivilege 4772 WMIC.exe Token: SeProfSingleProcessPrivilege 4772 WMIC.exe Token: SeIncBasePriorityPrivilege 4772 WMIC.exe Token: SeCreatePagefilePrivilege 4772 WMIC.exe Token: SeBackupPrivilege 4772 WMIC.exe Token: SeRestorePrivilege 4772 WMIC.exe Token: SeShutdownPrivilege 4772 WMIC.exe Token: SeDebugPrivilege 4772 WMIC.exe Token: SeSystemEnvironmentPrivilege 4772 WMIC.exe Token: SeRemoteShutdownPrivilege 4772 WMIC.exe Token: SeUndockPrivilege 4772 WMIC.exe Token: SeManageVolumePrivilege 4772 WMIC.exe Token: 33 4772 WMIC.exe Token: 34 4772 WMIC.exe Token: 35 4772 WMIC.exe Token: 36 4772 WMIC.exe Token: SeIncreaseQuotaPrivilege 4772 WMIC.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3940 wrote to memory of 2968 3940 wscript.exe 83 PID 3940 wrote to memory of 2968 3940 wscript.exe 83 PID 2968 wrote to memory of 2804 2968 javaw.exe 84 PID 2968 wrote to memory of 2804 2968 javaw.exe 84 PID 2968 wrote to memory of 4940 2968 javaw.exe 95 PID 2968 wrote to memory of 4940 2968 javaw.exe 95 PID 4940 wrote to memory of 4192 4940 java.exe 97 PID 4940 wrote to memory of 4192 4940 java.exe 97 PID 4940 wrote to memory of 2496 4940 java.exe 98 PID 4940 wrote to memory of 2496 4940 java.exe 98 PID 4192 wrote to memory of 4220 4192 cmd.exe 101 PID 4192 wrote to memory of 4220 4192 cmd.exe 101 PID 2496 wrote to memory of 4556 2496 java.exe 103 PID 2496 wrote to memory of 4556 2496 java.exe 103 PID 4556 wrote to memory of 1940 4556 cmd.exe 105 PID 4556 wrote to memory of 1940 4556 cmd.exe 105 PID 2496 wrote to memory of 536 2496 java.exe 106 PID 2496 wrote to memory of 536 2496 java.exe 106 PID 536 wrote to memory of 4772 536 cmd.exe 108 PID 536 wrote to memory of 4772 536 cmd.exe 108 PID 2496 wrote to memory of 392 2496 java.exe 109 PID 2496 wrote to memory of 392 2496 java.exe 109 PID 392 wrote to memory of 2460 392 cmd.exe 111 PID 392 wrote to memory of 2460 392 cmd.exe 111 PID 2496 wrote to memory of 4388 2496 java.exe 112 PID 2496 wrote to memory of 4388 2496 java.exe 112 PID 4388 wrote to memory of 1568 4388 cmd.exe 114 PID 4388 wrote to memory of 1568 4388 cmd.exe 114 PID 2496 wrote to memory of 3908 2496 java.exe 118 PID 2496 wrote to memory of 3908 2496 java.exe 118 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook java.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook java.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\Invoice & Packing List.js"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3940 -
C:\Program Files\Java\jre-1.8\bin\javaw.exe"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\ykulkemnl.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:2968 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M3⤵
- Modifies file permissions
PID:2804
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C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\ykulkemnl.txt"3⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ykulkemnl.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:4192 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ykulkemnl.txt"5⤵
- Creates scheduled task(s)
PID:4220
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C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\ykulkemnl.txt"4⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2496 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:4556 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1940
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:4772
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:392 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵PID:2460
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:4388 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵PID:1568
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe "[void][Windows.Security.Credentials.PasswordVault,Windows.Security.Credentials,ContentType=WindowsRuntime] $vault = New-Object Windows.Security.Credentials.PasswordVault $vault.RetrieveAll() | % { $_.RetrievePassword();$_ }"5⤵
- Suspicious behavior: EnumeratesProcesses
PID:3908
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD54b4fba29c3a2b30a70dac93512447217
SHA1dce04a2b17b568af57549b137e22d1045f149da4
SHA2564a6697c2808932142bce4f6ed0b157d4d51e4292d89c2d7d27eeda001247c383
SHA5128cb25ecdb368f763bd0e9a7aa656be97df355bdbfc13834f8d88aec0dde3c5a13326faf02daf2ef4cb4202b497291dd1ee260b908f1af9d9004034677c31adab
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Filesize
46B
MD5cd31bd97f08d5f6b72567be7c051d00c
SHA1ae775486274f9cc64ec81bc87145f0e0a2687169
SHA256c13dbe50e33b89c3bcfb0cf32ee87567217d177f6f9cadbccae5161596db1c23
SHA51244d425b86287b17f878574212ae3bc1ff3d1ef401fa0b644beb9d7c318b8bf5abf374525f570c5917fa5a186453cc6c74e155c873f897164608136dbbda98a0e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Local\Temp\sqlite-3.14.2.1-de3472fc-ca45-4420-becf-7dd365b8c914-sqlitejdbc.dll
Filesize914KB
MD5bcd42d2959eadc64dc225cf800ce3c90
SHA1f19981d3c3987259edf9874aaccaaec21616b03d
SHA25605a8557f5d197aca468f5272a2a869293cb11c2f0ab4839a17f144f9a5d0b77d
SHA512428ba3a76543e726b58ea334b6ea9538c7230592cc29fa564fdb44fdb4e2998820514af70b10b80f77c8f1554f63e1a4822ef8db095191956652454d220bc167
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3726321484-1950364574-433157660-1000\83aa4cc77f591dfc2374580bbd95f6ba_702abe76-fde0-4134-943b-e0c6d24c5ee3
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
164KB
MD5295d34a469ee2519f8016d7a8c794a2c
SHA1eaa4737386928dffc355967c213dd19bbf2208d0
SHA256c97d01edc6e28bb1a808951f917290831bd806f5155affe62fb042bbea235bf1
SHA512677d63b1a19b41be1122f3d4c7839377678229907a8e9998d1057ba99e8677c4f5585c679ef40586ba26647b771fbc3db854c1c0b588c51d25bbb9134301c875
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d